[INFO] updating cached repository https://github.com/maufl/notrust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0efd1b04bf2b4428e8ec652d655b0ec33a9c7579
[INFO] checking maufl/notrust against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaufl%2Fnotrust" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maufl/notrust on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/maufl/notrust
[INFO] finished tweaking git repo https://github.com/maufl/notrust
[INFO] tweaked toml for git repo https://github.com/maufl/notrust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/maufl/notrust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8fcc867568537dbe4eb84a5faed9c206d8b0b65a6f0a3f2d20c15aaa8e62ce95
[INFO] running `"docker" "start" "-a" "8fcc867568537dbe4eb84a5faed9c206d8b0b65a6f0a3f2d20c15aaa8e62ce95"`
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]     Checking quoted_printable v0.4.1
[INFO] [stderr]     Checking unicode-normalization v0.1.9
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]    Compiling memoffset v0.5.2
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking fst v0.3.5
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking murmurhash32 v0.2.0
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking bitpacking v0.8.1
[INFO] [stderr]     Checking charset v0.1.2
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking serde_json v0.8.6
[INFO] [stderr]     Checking atomicwrites v0.2.5
[INFO] [stderr]     Checking mailparse v0.8.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking levenshtein_automata v0.1.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking notify v4.0.14
[INFO] [stderr]     Checking maildir v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking tantivy-fst v0.1.0
[INFO] [stderr]     Checking once_cell v0.2.4
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking fail v0.3.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking crossbeam v0.5.0
[INFO] [stderr]     Checking cookie v0.2.5
[INFO] [stderr]     Checking hyper v0.9.18
[INFO] [stderr]     Checking iron v0.4.0
[INFO] [stderr]     Checking persistent v0.2.1
[INFO] [stderr]     Checking mount v0.2.1
[INFO] [stderr]     Checking staticfile v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]     Checking bodyparser v0.4.1
[INFO] [stderr]     Checking urlencoded v0.4.1
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking rust-stemmers v1.1.0
[INFO] [stderr]     Checking rental v0.5.5
[INFO] [stderr]     Checking owned-read v0.4.0
[INFO] [stderr]     Checking tantivy v0.10.2
[INFO] [stderr]     Checking mailindexer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `MailHeader`
[INFO] [stderr]  --> src/index.rs:3:29
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mailparse::{ParsedMail, MailHeader};
[INFO] [stderr]   |                             ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]    --> src/serve.rs:197:23
[INFO] [stderr]     |
[INFO] [stderr] 197 |     mount.mount("/", |req: &mut Request| {
[INFO] [stderr]     |                       ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `MailHeader`
[INFO] [stderr]  --> src/index.rs:3:29
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mailparse::{ParsedMail, MailHeader};
[INFO] [stderr]   |                             ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:13:45
[INFO] [stderr]    |
[INFO] [stderr] 13 |         ("serve", Some(serve_matches)) => { serve::run_serve_cli(serve_matches); },
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]    --> src/serve.rs:197:23
[INFO] [stderr]     |
[INFO] [stderr] 197 |     mount.mount("/", |req: &mut Request| {
[INFO] [stderr]     |                       ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:13:45
[INFO] [stderr]    |
[INFO] [stderr] 13 |         ("serve", Some(serve_matches)) => { serve::run_serve_cli(serve_matches); },
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 09s
[INFO] running `"docker" "inspect" "8fcc867568537dbe4eb84a5faed9c206d8b0b65a6f0a3f2d20c15aaa8e62ce95"`
[INFO] running `"docker" "rm" "-f" "8fcc867568537dbe4eb84a5faed9c206d8b0b65a6f0a3f2d20c15aaa8e62ce95"`
[INFO] [stdout] 8fcc867568537dbe4eb84a5faed9c206d8b0b65a6f0a3f2d20c15aaa8e62ce95